Though it can concievably be played year-round, Cricket has traditionally been a Spring/Summer sport, appearing once in the Summer Olympics in 1900.
Once in 1920.
Once every 4 years, the next summer Olympics are London 2012
Bejing has held the summer Olympics once.
The year 2009 will not have Summer Olympics or Winter Olympics. The Olympics only occur once every 2 years, and alternates Summer, Winter, Summer, Winter...
Only once, in the 1968 Summer Olympics.
3 times (twice in Los Angeles and once in Squaw Valley).
4 years 4 yearsThe Summer Olympics are held once every 4 years.
The Summer Olympics take place once every four years. The next are in London in 2012.
once every 4 years
Once in 1980.
Once, the 1936 Summer Games.